Unfortunately, that's not the case (that helm-org-in-buffer-headings) is called in a non-org buffer. It happens whenever I call it from within any org-file. I also tried calling it from within a short, minimal org-file with just a few headings of various levels, and I get the same error. The error, once again, is this: http://i.imgur.com/FoTiwoq.png And again, the error I get when I call org-agenda is this: http://pastebin.com/wCBgAQLp On Thu, Mar 10, 2016 at 3:21 AM, Nicolas Goaziou wrote: > Hello, > > Peter Salazar writes: > > > Any thoughts on that? I'm not sure if it's related, but I also get errors > > when I try to call helm-org-in-buffer-headings. Somehow the backtrace > gets > > immediately erased, so here's a screenshot: > > http://i.imgur.com/FoTiwoq.png > > From the above, it looks like `helm-org--get-candidate-in-file' is > erroneously called from a non-Org buffer (here, "*Backtrace*"). Outside > Org, `org-complex-heading-regexp' is nil, hence the result. > > Regards, > > -- > Nicolas Goaziou >